Help with the following Matlab question

What is Gaussian Elimination with backward substitutions?Explain your answer using your own example with MATLAB.  Create a 3×3 matrix by using the following command in MATLAB:>>d = randi(3,3)After explaining the Gaussian elimination, solve your matrix equation using MATLAB and section 6.3 to solve using:x = inv(A) * Borx = ABCopy and paste in the edit window to SHOW ALL YOUR Work.

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